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          <h1 class="post-title" itemprop="name headline">牛逼的ImageMagick</h1>
        

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        <p>ImageMagick[1] 是一个免费的创建、编辑、合成图片的软件。可用于格式转换、变换、透明度设置、特效….; 可支持的格式多达89种。</p>
<h2 id="小试牛刀"><a href="#小试牛刀" class="headerlink" title="小试牛刀"></a>小试牛刀</h2><p>若你想将jpg文件转换成bmp、png、psd…, 只有执行如下动作:</p>
<pre>
convert x.jpg x.bmp
</pre>

<p>PS：以前无法是图片转个格式，变个大小，统统都开启PS，现在突然发现酱紫弱爆了</p>
<pre>
下ImageMagick支持至少90种图片格式: A, ART, AVI, AVS, B, BIE, BMP, BMP2, BMP3, C, CACHE, CAPTION, CIN, CIP, CLIP, CLIPBOARD, CMYK, CMYKA, CUR, CUT, DCM, DCX, DNG, DOT, DPS, DPX, EMF, EPDF, EPI, EPS, EPS2, EPS3, EPSF, EPSI, EPT, EPT2, EPT3, FAX, FITS, FPX, FRACTAL, G, G3, GIF, GIF87, GRADIENT, GRAY, HDF, HISTOGRAM, HTM, HTML, ICB, ICO, ICON, JBG, JBIG, JNG, JP2, JPC, JPEG, JPG, JPX, K, LABEL, M, M2V, MAP, MAT, MATTE, MIFF, MNG, MONO, MPC, MPEG, MPG, MSL, MTV, MVG, NULL, O,OTB, P7, PAL, PALM, PATTERN, PBM, PCD, PCDS, PCL, PCT, PCX, PDB, PDF, PFA, PFB, PGM, PGX, PICON, PICT, PIX, PJPEG, PLASMA, PNG, PNG24, PNG32, PNG8, PNM, PPM, PREVIEW, PS, PS2, PS3, PSD, PTIF, PWP, R, RAS, RGB, RGBA, RGBO, RLA, RLE, SCR, SCT, SFW, SGI, SHTML, STEGANO, SUN, SVG, SVGZ, TEXT, TGA, TIF, TIFF, TILE, TIM, TTC, TTF, TXT, UIL, UYVY, VDA, VICAR, VID, VIFF, VST, WBMP, WMF, WMFWIN32, WMZ, WPG, X, XBM, XC, XCF, XPM, XV, XWD, Y, YCbCr, YCbCrA, YUV
</pre>

<h2 id="安装"><a href="#安装" class="headerlink" title="安装"></a>安装</h2><p>这么好用的工具果断装起，安装方法也so easy.</p>
<pre>
sudo brew install ImageMagick
</pre>

<h2 id="使用"><a href="#使用" class="headerlink" title="使用"></a><a href="http://www.imagemagick.org/script/command-line-options.php" target="_blank" rel="noopener">使用</a></h2><h6 id="1-转换格式"><a href="#1-转换格式" class="headerlink" title="1. 转换格式"></a>1. 转换格式</h6><pre>
convert x.jpg x.bmp
</pre>

<h6 id="2-透明"><a href="#2-透明" class="headerlink" title="2. 透明"></a>2. 透明</h6><p>JPG图象是不含有透明通道的，PNG TIG TIG GIF等是具有透明通道的</p>
<pre>
convert -alpha type x.png x1.png
</pre>

<p>常用type</p>
<pre>
Opaque - 不透
Transparent - 透明
</pre>


      
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              <div class="post-toc-content"><ol class="nav"><li class="nav-item nav-level-2"><a class="nav-link" href="#小试牛刀"><span class="nav-number">1.</span> <span class="nav-text">小试牛刀</span></a></li><li class="nav-item nav-level-2"><a class="nav-link" href="#安装"><span class="nav-number">2.</span> <span class="nav-text">安装</span></a></li><li class="nav-item nav-level-2"><a class="nav-link" href="#使用"><span class="nav-number">3.</span> <span class="nav-text">使用</span></a><ol class="nav-child"><li class="nav-item nav-level-6"><a class="nav-link" href="#1-转换格式"><span class="nav-number">3.0.0.0.1.</span> <span class="nav-text">1. 转换格式</span></a></li><li class="nav-item nav-level-6"><a class="nav-link" href="#2-透明"><span class="nav-number">3.0.0.0.2.</span> <span class="nav-text">2. 透明</span></a></li></ol></li></ol></li></ol></li></ol></li></ol></div>
            

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